Hans and Jan Bitner live on opposite sides of the iron curtain. Hans lives in France, he leads a quiet life. Bitner is a Pole, involved in the fight for a free Poland. Their lives are different, but there is one detail that links them.
The peace of mind of a tenement house in Warsaw’s Mokotów district is shattered by the appearance of the alleged legal owner of the building. Using ruthless methods, the man starts forcing more families to move out. Janina Markowska is the most determined in her fight for the right to her apartment. When Janina disappears in mysterious circumstances, the police start investigating.